Costis Maglaras is the 16th Dean of Columbia Business School, and the David and Lyn Silfen Professor of Business at Columbia University. Costis received his BS from Imperial College, London, in 1990, and his MS and PhD from Stanford University in 1991 and 1998, respectively, all in Electrical Engineering. He joined Columbia Business School in 1998. He is a Fellow of INFORMS, an Honorary Fellow of the Foreign Policy Association, a Member of the Economic Club of New York, and a Trustee of Athens College. 

Under his leadership, Columbia Business School moved into its new campus, has invested in curriculum and research in the digital future of business, entrepreneurship, the climate change challenge and its impact and opportunity in our economy, and the interface of business and society.

His teaching and research lies on the interface between applied mathematics, economics and engineering. Recent work has focused on market microstructure of financial markets; information and social networks; and congestion pricing and ride-hailing networks. He has advised 20 doctoral students that have gone to leadership positions in academia and industry. Outside of the Business School, his experience has primarily focused in the technology sector and in quantitative finance.

Costis is married to Niki Kouri and lives in Manhattan with their three daughters.